I don't normally run the heat on my Libby at all, which is a stark departure from my Dodge 3500, which would finally start pushing out warm air when I was just pulling into work 25 minutes from my house. With the Libby, it's generally warm enough to run w/the window 1/4" down. Today I was wet with rain and the wind blowing, so I put the heat on as I left the farm. After a few minutes, it felt really hot, so I grabbed my non contact thermometer(been using it to scan coworkers) and the reading was almost 190F. Is this normal? I tried searching "heat vent temperature" but nothing relevant came up.